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The discovery doesn't prove that life has developed elsewhere in the universe—but it implies that there is no reason it could not. .................Glycoaldehyde can be found on Earth, usually in the form of an odorless white powder. While it isn't used to sweeten foods, it is important because scientists think it plays a key role in the chemical reaction that forms ribonucleic acid (RNA), a crucial biomolecule present in all living cells.

It's still unclear exactly how glycoaldehyde is produced in space, but observations suggest it forms on ice-covered dust grains in the dense, cold parts of interstellar molecular clouds, Jørgensen said.